#coding:utf-8

import random
from urllib import urlopen

WORD_URL = "http://learncodethehardway.org/words.txt"
WORDS = []

PHRASES = {
    "class %%%(%%%):":
      "make a class named %%% that is-a %%%.",
    "class %%%(object):\n\tdef __init__(self, ***)":
     "class %%% has-a __init__that takes self ad *** parameters.",
    "class %%%(object):\n\tdef ***(self, @@@)":
     "class %%% has-a function named *** that takes self and @@@ parameters.",
    "*** = %%%()":
     "set *** to an instance of class %%%.",
    "***.*** = '***'":
     "From *** get the *** attribute and set it to '***'."
}

# do they want to drill phrases first
if len(sys.argv) == 2 and sys.argv[1] == "english":
	PHRASE_FIRST = True
else:
    PHRASE_FIRST = False

# load up the words from the website
for word in urlopen(WORD_URL).readlines():
    WORDS.append(word.strip())
	
def convert(snippet, phrase):
    class_names = [w.capitalize() for w in
                   random.sample(WORDS, snippet.count("%%%"))]
    other_names = random.sample(WORDS, snippet.count("***"))
    results = []
    param_names = []
	
    for i in range(0, snippet.count("@@@")):
        param_count = random.randint(1,3)
        param_names.append(', '.join(random.sample(WORDS, param_count)))
		
    for sentence in snippet, phrase:
        result = sentence[:]
		
        # fake class names
        for word in other_names:
            result = result.replace("%%%", word, 1)
		# fake other names
        for word in other_names:
            result = result.replace("***", word, 1)
			
        # fake parameter lists
        for word in param_names:
                result = result.replace("@@@", word, 1)
				
        results.append(result)
    return results
	
# keep going until they hit CTRL-DeprecationWarning
try:
    while True:
        snippets = PHRASES.keys()
        random.shuffle(snippets)
		
        for snippet in snippets:
            phrase = PHRASES[snippet]
            question, answer = convert(snippet, phrase)
            if PHRASE_FIRST:
                question, answer = answer, question
				
            print question
			
            raw_input("> ")
            print "ANSWER: %s\n\n" % answer
			
except EOFError:
    print "\n\Bye"